YSN - Your Stock Nexus

A headline tells you what happened. YSN helps you explore why it matters. Follow U.S. markets, keep up with the stocks you watch, and connect the news with earnings and AI explanations. Start with the market See major indexes, interest rates and commodities alongside market briefings. Follow the stories and developments shaping the trading day. Keep your watchlist in focus Read news about the companies you follow in one place and catch up with a watchlist briefing. Open a stock page to explore its price history and related news. Ask the next question Ask Goatnam, YSN’s AI question-and-answer feature, about a headline, a company or a market development. Read detailed explanations and explore public answers to other investors’ questions. Look beyond the earnings headline Explore earnings calendars, results analysis and call materials. Review the reported numbers, how they compare with expectations, and the factors worth watching next. Put an investment idea to the test Explore strategies in Strategy Lab. Review their entry and exit rules, historical performance, drawdowns and assumptions. Understand what was tested before drawing a conclusion. Practice with virtual funds Buy and sell stocks in a simulated account and track your decisions, holdings and orders. No real orders or money transfers are made. Quotes may be delayed, and dividends and taxes are not included. Catch up on important events Read translations, summaries and materials from supported live sessions and past events. Availability varies by event. Choose English or Korean Switch the app language to suit you. User posts and some older materials may remain in their original language. Before you start Some features require an account, membership or in-app credits (IC). The app shows applicable access requirements and credit costs before you proceed. Review subscription and IC product prices, durations and benefits in the purchase screen. Manage subscriptions through your app store’s subscription settings. YSN content and AI answers are for information and education. They may contain errors or delayed information and are not personalized investment advice. No investment return is guaranteed. Historical test results do not predict future performance. Privacy policy: https://www.ysnterminal.ai/privacy-app Terms: https://www.ysnterminal.ai/terms/2026-09-21.html#en